98.78% is the change from 245 to 487
Calculation steps:
[( 487 - 245 ) ÷ 245] x 100 = 98.78%
Formula
Percentage change = [(487 - 245) / 245] x 100
Subtract the new number by the original number
487 - 245 = 242
242 ÷ 245 = 0.9877551020408163
0.9877551020408163 x 100 = 98.78%